Part of my calculations does figure in vacancy, repairs, and capital expenses.  

,Buying, renovating, and selling is a great strategy, but here are a few things to consider:Start with the Numbers: Make sure you know your ARV (After Repair Value) and work backward to calculate your budget, including purchase, renovation, holding, and selling costs.Financing Blindspots: Even if you’re buying in cash, plan for potential delays or overruns in renovation costs.

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

Adjusting the purchase price, budget, and offers can help you reach the break-even point.Many calculators overestimate cost assumptions or rental comps, which can be both beneficial and a hindrance.

Key Market Movers and How to Track Rateshttps://www.biggerpockets.com/blog/2024-dscr-loan-rates-and-...How Do DSCR Lenders Calculate Your Interest Rate?

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

Further, how do I calculate the business use percentage for a rental RV?

@Drew Sygit Yeah I am seeing that in my calculations, thanks for all the advice!

Start by thoroughly evaluating leads for profitability, calculating ARV (After Repair Value) based on comparable properties sold in the area within the past six months.

Start small, network with other investors, and use tools like BiggerPockets calculators to analyze deals effectively.